:root {
  --font: "Space Grotesk", system-ui, -apple-system, Segoe UI, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;

  --radius: 14px;
  --shadow: 0 8px 26px rgba(18, 28, 58, 0.08);

  --bg: #f4f6fb;
  --bg2: #eef2ff;
  --card: #ffffff;
  --ink: #10162a;
  --muted: #5b6478;
  --border: #e4e7f0;
  --primary: #1d4ed8;
  --primary2: #2563eb;
  --danger: #e5484d;
  --warn: #f2a900;
  --success: #1e9a55;
  --chip: rgba(37, 99, 235, 0.10);
  --chip2: rgba(16, 22, 42, 0.08);
}

html[data-theme="dark"] {
  --bg: #0a0e1a;
  --bg2: #0c1633;
  --card: #0f172a;
  --ink: #e8ecff;
  --muted: #a9b2d4;
  --border: rgba(255,255,255,0.10);
  --shadow: 0 18px 60px rgba(0,0,0,0.45);
  --chip: rgba(96, 165, 250, 0.16);
  --chip2: rgba(255, 255, 255, 0.08);
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: radial-gradient(1200px 600px at 20% 0%, var(--bg2), var(--bg));
  min-height: 100vh;
}

.mono { font-family: var(--mono); }
.w-full { width: 100%; }

/* App shell */
.app-shell {
  display: grid;
  grid-template-columns: 280px 1fr;
  min-height: 100vh;
}

.sidebar {
  border-right: 1px solid var(--border);
  background: linear-gradient(180deg, rgba(255,255,255,0.55), rgba(255,255,255,0.15));
  padding: 18px;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow: auto;
}

html[data-theme="dark"] .sidebar {
  background: linear-gradient(180deg, rgba(15,23,42,0.85), rgba(15,23,42,0.50));
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 10px 18px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 14px;
}

.brand-mark {
  width: 44px;
  height: 44px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, var(--primary), #7c3aed);
  color: #fff;
  font-family: var(--mono);
  font-weight: 700;
  letter-spacing: 0.06em;
  box-shadow: 0 12px 25px rgba(37,99,235,0.25);
}
.brand-mark.lg { width: 56px; height: 56px; border-radius: 18px; }

.brand-title { font-weight: 700; font-size: 16px; }
.brand-sub { color: var(--muted); font-size: 12px; margin-top: 2px; }

.nav { display: grid; gap: 8px; padding: 10px 4px; }
.nav-link {
  text-decoration: none;
  color: var(--ink);
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid transparent;
  background: transparent;
  transition: background 160ms ease, border-color 160ms ease, transform 160ms ease;
}
.nav-link:hover {
  background: var(--chip2);
  border-color: var(--border);
}
.nav-link.active {
  background: var(--chip);
  border-color: rgba(37,99,235,0.35);
}

.sidebar-footer {
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px solid var(--border);
}

.main { display: grid; grid-template-rows: auto 1fr auto; }

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 22px;
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(10px);
  background: rgba(255,255,255,0.55);
}
html[data-theme="dark"] .topbar { background: rgba(15,23,42,0.55); }

.crumb { font-weight: 700; letter-spacing: 0.01em; }
.topbar-right { display: flex; align-items: center; gap: 12px; }
.quicklinks { display: flex; gap: 10px; }
.quicklink {
  font-size: 13px;
  color: var(--muted);
  text-decoration: none;
  padding: 8px 10px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.3);
}
html[data-theme="dark"] .quicklink { background: rgba(15,23,42,0.35); }
.quicklink:hover { color: var(--ink); }

.userpill {
  display: flex;
  align-items: center;
  gap: 8px;
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 8px 10px;
  font-size: 13px;
  color: var(--muted);
}
.userdot { width: 10px; height: 10px; border-radius: 99px; background: var(--success); box-shadow: 0 0 0 4px rgba(30,154,85,0.15); }

.content { padding: 18px 22px 22px; max-width: 1320px; width: 100%; }

.footer {
  padding: 18px 22px;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 12px;
}

/* Components */
.page-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 12px; margin-bottom: 14px; }
.page-title { font-size: 30px; line-height: 1.1; margin: 0; letter-spacing: -0.02em; }
.page-sub { margin: 6px 0 0; color: var(--muted); }

.grid { display: grid; gap: 14px; }
.grid.cols-2 { grid-template-columns: 1fr 1fr; }
.grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid.cols-5 { grid-template-columns: repeat(5, 1fr); }
@media (max-width: 980px) {
  .app-shell { grid-template-columns: 1fr; }
  .sidebar { position: relative; height: auto; }
  .grid.cols-2, .grid.cols-3, .grid.cols-5 { grid-template-columns: 1fr; }
  .quicklinks { display: none; }
}

.card {
  background: rgba(255,255,255,0.78);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 14px;
}
html[data-theme="dark"] .card { background: rgba(15,23,42,0.80); }
.card h3 { margin: 0 0 10px; font-size: 15px; letter-spacing: 0.01em; }
.card .muted { color: var(--muted); }

.kpi {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
}
.kpi .value { font-size: 26px; font-weight: 800; letter-spacing: -0.02em; }
.kpi .label { color: var(--muted); font-size: 12px; }

.segbar {
  width: 100%;
  height: 14px;
  border-radius: 999px;
  overflow: hidden;
  background: var(--chip2);
  border: 1px solid var(--border);
}
.segbar > div { height: 100%; float: left; }
.seg-valid { background: linear-gradient(90deg, #16a34a, #22c55e); }
.seg-invalid { background: linear-gradient(90deg, #dc2626, #f97316); }
.seg-catchall { background: linear-gradient(90deg, #f59e0b, #fbbf24); }
.seg-disposable { background: linear-gradient(90deg, #7c3aed, #a78bfa); }

.legend { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 10px; color: var(--muted); font-size: 12px; }
.legend .dot { width: 10px; height: 10px; border-radius: 99px; display: inline-block; margin-right: 6px; vertical-align: -1px; }

.btn {
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.45);
  color: var(--ink);
  padding: 9px 12px;
  border-radius: 12px;
  cursor: pointer;
  font-weight: 600;
  transition: transform 160ms ease, background 160ms ease, border-color 160ms ease;
}
html[data-theme="dark"] .btn { background: rgba(15,23,42,0.45); }
.btn:hover { transform: translateY(-1px); background: rgba(255,255,255,0.70); }
html[data-theme="dark"] .btn:hover { background: rgba(15,23,42,0.70); }
.btn:disabled { opacity: 0.6; cursor: not-allowed; transform: none; }
.btn.is-loading { opacity: 0.8; }

.btn-primary {
  border-color: rgba(37,99,235,0.4);
  background: linear-gradient(135deg, var(--primary), var(--primary2));
  color: #fff;
  box-shadow: 0 14px 26px rgba(37,99,235,0.25);
}
.btn-primary:hover { background: linear-gradient(135deg, var(--primary2), var(--primary)); }
.btn-ghost { background: transparent; }
.btn-chip { border-radius: 999px; background: var(--chip); border-color: rgba(37,99,235,0.25); }
.btn-icon {
  width: 34px;
  height: 34px;
  padding: 0;
  display: inline-grid;
  place-items: center;
  font-family: var(--mono);
  font-size: 16px;
}

.row { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }
.spacer { flex: 1; }

input, select, textarea {
  width: 100%;
  padding: 9px 11px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.55);
  color: var(--ink);
  font-family: var(--font);
}
html[data-theme="dark"] input, html[data-theme="dark"] select, html[data-theme="dark"] textarea {
  background: rgba(15,23,42,0.55);
}
textarea { min-height: 110px; resize: vertical; font-family: var(--mono); }

.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { padding: 9px 9px; border-bottom: 1px solid var(--border); text-align: left; font-size: 13px; vertical-align: middle; }
th { color: var(--muted); font-weight: 700; font-family: var(--mono); letter-spacing: 0.04em; text-transform: uppercase; font-size: 11px; }
thead th { position: sticky; top: 0; background: rgba(255,255,255,0.9); backdrop-filter: blur(4px); z-index: 1; }
html[data-theme="dark"] thead th { background: rgba(15,23,42,0.9); }
tr:hover td { background: rgba(37,99,235,0.06); }

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.45);
}
html[data-theme="dark"] .badge { background: rgba(15,23,42,0.45); }
.badge.valid { border-color: rgba(34,197,94,0.35); color: #16a34a; }
.badge.invalid { border-color: rgba(239,68,68,0.35); color: #dc2626; }
.badge.warn { border-color: rgba(245,158,11,0.35); color: #f59e0b; }
.badge.info { border-color: rgba(37,99,235,0.35); color: var(--primary2); }
.badge.purple { border-color: rgba(167,139,250,0.35); color: #7c3aed; }

.pill {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.45);
}

.toast-root {
  position: fixed;
  right: 18px;
  top: 18px;
  display: grid;
  gap: 10px;
  z-index: 1000;
}
.toast {
  width: min(420px, calc(100vw - 36px));
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  box-shadow: var(--shadow);
  padding: 12px 12px;
  display: grid;
  gap: 4px;
}
.toast .t { font-weight: 800; }
.toast .m { color: var(--muted); font-size: 13px; }

.modal-root { position: fixed; inset: 0; z-index: 1100; display: none; }
.modal-root.open { display: grid; place-items: center; }
.modal-backdrop { position: absolute; inset: 0; background: rgba(0,0,0,0.55); }
.modal {
  position: relative;
  width: min(520px, calc(100vw - 36px));
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 18px;
  box-shadow: var(--shadow);
  padding: 16px;
}
.modal h3 { margin: 0 0 8px; }
.modal p { margin: 0 0 12px; color: var(--muted); }

/* Login */
.login-body { background: radial-gradient(1000px 520px at 20% 0%, var(--bg2), var(--bg)); }
.login-shell { min-height: 100vh; display: grid; place-items: center; padding: 22px; }
.login-card {
  width: min(520px, 100%);
  background: rgba(255,255,255,0.80);
  border: 1px solid var(--border);
  border-radius: 22px;
  box-shadow: var(--shadow);
  padding: 18px;
}
html[data-theme="dark"] .login-card { background: rgba(15,23,42,0.82); }
.login-brand { display: flex; gap: 12px; align-items: center; padding-bottom: 10px; border-bottom: 1px solid var(--border); }
.auth-tabs {
  display: flex;
  gap: 8px;
  margin-top: 12px;
}
.auth-tabs a {
  text-decoration: none;
  color: var(--muted);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 7px 12px;
  font-size: 13px;
}
.auth-tabs a.active {
  color: var(--ink);
  background: var(--chip);
  border-color: rgba(37,99,235,0.35);
}
.login-form { display: grid; gap: 12px; margin-top: 14px; }
.field { display: grid; gap: 6px; }
.label { font-size: 12px; color: var(--muted); font-family: var(--mono); letter-spacing: 0.04em; text-transform: uppercase; }
.login-hint { color: var(--muted); font-size: 12px; }
.login-error { color: var(--danger); min-height: 18px; font-size: 13px; }
.login-footer { margin-top: 14px; color: var(--muted); font-size: 12px; text-align: center; }
.legal-card { width: min(860px, 100%); }
.legal-card h3 { margin-top: 14px; margin-bottom: 4px; }
.legal-card p { margin: 0 0 8px; line-height: 1.5; }

.error-banner {
  border: 1px solid rgba(229, 72, 77, 0.45);
  background: rgba(229, 72, 77, 0.08);
  border-radius: 12px;
  padding: 10px 12px;
}
.error-title {
  font-weight: 800;
  color: var(--danger);
  font-size: 13px;
}
.error-msg {
  color: var(--muted);
  margin-top: 4px;
  font-size: 13px;
}

/* Upload dropzone */
.dropzone {
  border: 1px dashed var(--border);
  border-radius: 16px;
  padding: 16px;
  background: rgba(255,255,255,0.35);
  display: grid;
  gap: 6px;
  cursor: pointer;
}
html[data-theme="dark"] .dropzone { background: rgba(15,23,42,0.35); }
.dropzone strong { font-size: 14px; }
.dropzone .small { color: var(--muted); font-size: 12px; }
.dropzone.drag { border-color: rgba(37,99,235,0.55); background: rgba(37,99,235,0.12); }

/* Pagination */
.pager { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; margin-top: 10px; color: var(--muted); font-size: 12px; }
.pager .pages { display: flex; gap: 6px; align-items: center; }
.pager .pagebtn { padding: 8px 10px; border-radius: 10px; }
.pager .pagebtn.active { background: var(--chip); border-color: rgba(37,99,235,0.35); }

.select-compact {
  max-width: 240px;
}

.hidden {
  display: none !important;
}

.codeblock {
  border: 1px solid var(--border);
  border-radius: 10px;
  background: rgba(15, 23, 42, 0.04);
  padding: 12px;
  font-size: 12px;
  overflow: auto;
}
html[data-theme="dark"] .codeblock {
  background: rgba(255, 255, 255, 0.04);
}